Harry norris



No. 617,763. Patented Jan. l7, I899.

' H. NORRIS.

MACHINE FUR FLUTING, CUBBUGATING, 0R GRODVING TUBES.

(Application fllen Aug. 25, 1898.)

(No Model.)

W/TNESSES NITED STATES HARRY NORRIS, OF BIRMINGHAM, ENGLAND.

MACHINE FOR FLUTING, oosauon'rmo, on GROGVINLGLTUBES.

SEECIFIQATIDN forming part of LettersP-atenthl 0. 617,763, datedJ'anuary 17,: 1899.

Application filed Augnst 1 898-, Serial 639,459. (No-model.)

To roll whom it may concern:

Be it known that I, HARRY NORRIS, a subject of the Queen of GreatBritain, residing at Birmingham, in the county of \Varwick, England,have invented certain'new and use ful Improvements "in Machines forFluting, Oorrugating, or Grooving Tubes, of which the following is afull and complete specification, such as will enable those skilled inthe art to which it appertains to make and use the same.

This invention relates to means forfiutin g,

grooving, or corrugating metal tubes; and the object thereof is toprovide an improved machine for this purpose which is simple inconstrnction and operation and well adapted to accomplish the result forwhich it is intended, while being also. comparatively inexpensive. v

The invention is fullydiscloscd in the following specification, of whichthe accompanying drawings form a part, in which the sepa rate parts ofmy improvement are designated by re same numerals of reference in eachof the iews, and in which- Figure l is a plan view of my improvedmachine, and Fig, 2 a transverse section thereof on the line 2 In thepractice of my invention i provide a suitable frame or support 5 of anydesired form or construction and which is provided at its upper end withan annular plate or head (i, above which and near the outer perimeterthereof is a vertical flange or rim 7, and said piate or head is alsoprovided with a project; ing circular flange 8, on which is supported aring 9, the upper side of which is provided with gear-teeth, as shown inFig. 1, and this 9 is provided with outwardly-directed or handles 10,any desired number of wh vh may be employed and four of which are shown.

Passing radially through the flange or rim '2 at regular intervals areshafts 11, six of which are shown, and these shafts are pro vided attheir outer ends with pinions 12, which are operated by the ring 9, andsaid shafts are screw-threaded at their inner ends, and mounted thereonare radially-movable blocks 13, each of which is provided at its i innerend with slot in which is mounted a wheel or roller 1%.

'iho radially-movable blocks 13 lit in keepor drawn outwardly, as willbe readily under-,-

stood, the direction of the movement thereof depending on the directionin which the ring 9 is turned. g

The gear-ring 9 may be supported in any desired manneiyand theoperationof the device Will be readily understood from the foregoingdescription when taken in connection with the accompanying drawings andthe following statement thereof. In practice the tube to be grooved,fluted, or corrugated is passed through the open space between thewheels or rollers 14 and at the same time the ring 9 is revolved orturned in the desired direction and the rings or rollers 14 form therequired grooves, corrugations, or fiuting in said tube.

It will thus be seen that I accomplish the object of my invention bymeans of a device which is simple in construction and opera tion, and itwill be apparent'that changes in and modifications of the constructiondescribed may be made without departing from the spirit of my inventionor sacrificing its advantages.

Having fully described my invention, .1

claim as new and desire to secure by Letters Patent- I 1. A machine forthe purpose herein described, comprising a suitable frameor supporthaving a central opening, an upwardlydireeted annular flange or rimconnected with said frame or support, radial keepers connected withtheinner side of said flange or rim, radiallymovable blocks or plungersmounted in said keepers, said blocks or plungers being provided withscrew-threaded bores, radial shafts passing through said. flanges orrims, and through said blocks or plungers, said shafts being provided attheir inner ends with threads which correspond with the threads formedin the central bores of said blocks or plungers, pinions mounted on theouter ends of said shafts and outside of said flange or rim, and agear-wheel supported beneath said pinions and operating in connectiontherewith to revolve said shafts, said blocks or plungers being alsoprovided at their inner ends with Wheels or rollers, substantially asshown and described.

2. A machine for the purpose herein described, comprising a suitableframe or support having a central opening, an upwardlydirected flange orrim surrounding said central opening, a gear-wheel mounted outside ofsaid flange or rim, radial keepers mounted inside of said flange Orrim,radially-movable blocks or plungers mounted in said keepers and providedwith bores, screw-threaded shafts passing through said flange or rim andthrough said blocks or plungers, and provided at their outer ends withpinions which operatein connection with said gear-wheel, said blocks orplungers being provided at their inner ends with wheels or central screwthreaded -ence of the subscribing witnesses,

rollers, and nieansfor operating said gearwheel, substantially as shownand described.

A machine for the purpose herein described, comprising a suitable frameor support having a central opening, a vertical flange or rimsurrounding said opening, radial keepers connected with the inner sideof said flange or rim, radially-movable blocks or plungers mounted insaid keepers and provided with screw-threaded central bores, radialshafts passing through said flange or rim and through said blocks orplungers, said shafts being also screw-threaded, wheels or rollersconnected with the inner ends of said blocks or plunger-s, and means foroperating said shafts, substantially as shown and described.

In testimony that I claim the foregoing as my invention I have signed myname, in presthis 9th day of August, 1898.

HARRY NORRIS.

Witnesses:

WILLIAM STREET, GEORGE CULms BENDALL.

